Fushigi Y?gi: The Mysterious Play is a Japanese manga series written and illustrated by Yu Watase. Shogakukan published Fushigi Y?gi in Shōjo Comic in its original serialized form from May 1992 through June 1996. Viz Media released the manga series in English in North America starting in 1999. Spanning eighteen volumes, Fushigi Y?gi tells the story of two teenaged girls, Miaka and Yui, who are pulled into "The Universe of the Four Gods", a mysterious book at the National Library.